diff options
Diffstat (limited to 'kernel/signal.c')
-rw-r--r-- | kernel/signal.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 53cd5c4d1172..6e97aa6fa32c 100644 --- a/kernel/signal.c +++ b/kernel/signal.c | |||
@@ -680,23 +680,17 @@ int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info) | |||
680 | * No need to set need_resched since signal event passing | 680 | * No need to set need_resched since signal event passing |
681 | * goes through ->blocked | 681 | * goes through ->blocked |
682 | */ | 682 | */ |
683 | void signal_wake_up(struct task_struct *t, int resume) | 683 | void signal_wake_up_state(struct task_struct *t, unsigned int state) |
684 | { | 684 | { |
685 | unsigned int mask; | ||
686 | |||
687 | set_tsk_thread_flag(t, TIF_SIGPENDING); | 685 | set_tsk_thread_flag(t, TIF_SIGPENDING); |
688 | |||
689 | /* | 686 | /* |
690 | * For SIGKILL, we want to wake it up in the stopped/traced/killable | 687 | * TASK_WAKEKILL also means wake it up in the stopped/traced/killable |
691 | * case. We don't check t->state here because there is a race with it | 688 | * case. We don't check t->state here because there is a race with it |
692 | * executing another processor and just now entering stopped state. | 689 | * executing another processor and just now entering stopped state. |
693 | * By using wake_up_state, we ensure the process will wake up and | 690 | * By using wake_up_state, we ensure the process will wake up and |
694 | * handle its death signal. | 691 | * handle its death signal. |
695 | */ | 692 | */ |
696 | mask = TASK_INTERRUPTIBLE; | 693 | if (!wake_up_state(t, state | TASK_INTERRUPTIBLE)) |
697 | if (resume) | ||
698 | mask |= TASK_WAKEKILL; | ||
699 | if (!wake_up_state(t, mask)) | ||
700 | kick_process(t); | 694 | kick_process(t); |
701 | } | 695 | } |
702 | 696 | ||
@@ -844,7 +838,7 @@ static void ptrace_trap_notify(struct task_struct *t) | |||
844 | assert_spin_locked(&t->sighand->siglock); | 838 | assert_spin_locked(&t->sighand->siglock); |
845 | 839 | ||
846 | task_set_jobctl_pending(t, JOBCTL_TRAP_NOTIFY); | 840 | task_set_jobctl_pending(t, JOBCTL_TRAP_NOTIFY); |
847 | signal_wake_up(t, t->jobctl & JOBCTL_LISTENING); | 841 | ptrace_signal_wake_up(t, t->jobctl & JOBCTL_LISTENING); |
848 | } | 842 | } |
849 | 843 | ||
850 | /* | 844 | /* |